Safety knife
US8839523B2 · kind B2 · utility
1Cited by
0References
5Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 2, 2010 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Jan 13, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B5/003
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A safety knife comprises a knife body (10), a blade carrier (16) movable within the knife body (10) between a retracted position and an extended position, biasing means (24) urging the blade carrier (16) towards its retracted position, latch means to latch the blade carrier (16) in its extended position, and a weight (36) movable along a passage (32) relative to the knife body (10) and engageable with release means (40) to release the latch means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.